LO-9-2350-266-12
CARRIER, PERSONNEL, FULL TRACKED, ARMORED FIRE SUPPORT, M981
LUBRICATION ORDER
MARCH 1990
LO-9-2350-266-12 - Page 41 of 48
WARNING
5.
one
Hydraulic fluid is toxic to skin, eyes, and respiratory system. Wear skin, eye, and
respiratory protection while doing this procedure.
NOTE
System may require several flushings to reach an acceptable level of 90% of
specified fluid.
PURGING TURRET HYDRAULIC SYSTEM. Perform these procedures when changing
hydraulic fluid type to another hydraulic fluid type:
from
a. Erect system, depress targeting head, bleed system pressure. Support targeting head.
b. Remove both drain plugs. Drain fluid into suitable container.
c. Disconnect return line to auxiliary reservoir. Install plug in reservoir and add drain line to
return line. Route drain line to suitable container.
d. Install drain plugs.
CAUTION
Keep auxiliary reservoir filled until completion of flushing.
e. Remove blue plug and fill primary reservoir with specified fluid. Replace blue plug and fill
auxiliary reservoir. Remove support.
f. Pump hand pump five full strokes.
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